EP3995529A4 - Verfahren zur verbesserung der wasseraufnahme von wasserabsorbierenden harzteilchen unter last und verfahren zur herstellung von wasserabsorbierenden harzteilchen - Google Patents

Verfahren zur verbesserung der wasseraufnahme von wasserabsorbierenden harzteilchen unter last und verfahren zur herstellung von wasserabsorbierenden harzteilchen Download PDF

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Publication number
EP3995529A4
EP3995529A4 EP20837118.7A EP20837118A EP3995529A4 EP 3995529 A4 EP3995529 A4 EP 3995529A4 EP 20837118 A EP20837118 A EP 20837118A EP 3995529 A4 EP3995529 A4 EP 3995529A4
Authority
EP
European Patent Office
Prior art keywords
water
resin particles
absorbent resin
under load
improving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20837118.7A
Other languages
English (en)
French (fr)
Other versions
EP3995529A1 (de
Inventor
Moe Nishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Seika Chemicals Co Ltd
Original Assignee
Sumitomo Seika Chemicals Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Seika Chemicals Co Ltd filed Critical Sumitomo Seika Chemicals Co Ltd
Publication of EP3995529A1 publication Critical patent/EP3995529A1/de
Publication of EP3995529A4 publication Critical patent/EP3995529A4/de
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/265Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267Cross-linked polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/261Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016Particle form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3035Compressing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/50Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/68Superabsorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/02Homopolymers or copolymers of acids; Metal or ammonium salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
EP20837118.7A 2019-07-05 2020-07-01 Verfahren zur verbesserung der wasseraufnahme von wasserabsorbierenden harzteilchen unter last und verfahren zur herstellung von wasserabsorbierenden harzteilchen Pending EP3995529A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019126335 2019-07-05
PCT/JP2020/025849 WO2021006153A1 (ja) 2019-07-05 2020-07-01 吸水性樹脂粒子の荷重下吸水量を向上させる方法、及び吸水性樹脂粒子を製造する方法

Publications (2)

Publication Number Publication Date
EP3995529A1 EP3995529A1 (de) 2022-05-11
EP3995529A4 true EP3995529A4 (de) 2023-11-15

Family

ID=74115201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20837118.7A Pending EP3995529A4 (de) 2019-07-05 2020-07-01 Verfahren zur verbesserung der wasseraufnahme von wasserabsorbierenden harzteilchen unter last und verfahren zur herstellung von wasserabsorbierenden harzteilchen

Country Status (6)

Country Link
US (1) US20220314200A1 (de)
EP (1) EP3995529A4 (de)
JP (1) JP7554750B2 (de)
KR (1) KR20220031627A (de)
CN (1) CN114080414B (de)
WO (1) WO2021006153A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2190572A1 (de) * 2007-09-28 2010-06-02 Nippon Shokubai Co., Ltd. Wasserabsorptionsmittel und herstellungsverfahren dafür
EP3053831A1 (de) * 2013-09-30 2016-08-10 Nippon Shokubai Co., Ltd. Füllverfahren für körniges wasserabsorptionsmittel und probenahmeverfahren für körniges wasserabsorptionsmittel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3822812B2 (ja) 2000-10-23 2006-09-20 株式会社日本触媒 吸水剤およびその製造方法
JP2005015994A (ja) * 2003-06-06 2005-01-20 Mitsubishi Chemicals Corp 吸収性物品
JP2005015995A (ja) 2003-06-06 2005-01-20 Mitsubishi Chemicals Corp 吸収性物品の製造方法
JP2006168324A (ja) 2004-12-20 2006-06-29 Mitsubishi Chemicals Corp 吸水性複合体、その製造方法およびそれを用いた材料
CN102648218B (zh) * 2009-11-27 2013-12-11 住友精化株式会社 吸水性树脂颗粒的制造方法、吸水性树脂颗粒、止水材料和吸收性物品
JP5167306B2 (ja) 2010-04-28 2013-03-21 サンダイヤポリマー株式会社 吸収性樹脂粒子、これを含む吸収体及び吸収性物品

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2190572A1 (de) * 2007-09-28 2010-06-02 Nippon Shokubai Co., Ltd. Wasserabsorptionsmittel und herstellungsverfahren dafür
EP3053831A1 (de) * 2013-09-30 2016-08-10 Nippon Shokubai Co., Ltd. Füllverfahren für körniges wasserabsorptionsmittel und probenahmeverfahren für körniges wasserabsorptionsmittel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021006153A1 *

Also Published As

Publication number Publication date
CN114080414B (zh) 2024-05-24
CN114080414A (zh) 2022-02-22
US20220314200A1 (en) 2022-10-06
WO2021006153A1 (ja) 2021-01-14
EP3995529A1 (de) 2022-05-11
KR20220031627A (ko) 2022-03-11
JP7554750B2 (ja) 2024-09-20
JPWO2021006153A1 (de) 2021-01-14

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